Manufacturing location:

Oshawa, Ontario, Canada

Key competitors:

Dodge Challenger, Ford Mustang, Nissan 350Z

3.6L V-6 DI VVT (LLT)

6.2L V-8 (LS3, L99)

Application:

LS, LT

SS

Type:

3.6L V-6

6.2L V-8

Displacement (cu in / cc):

217 / 3564

376 / 6162

Bore & stroke (in / mm):

3.70 x 3.37 / 94 x 85.6

4.06 x 3.62 / 103.25 x 92

Block material:

cast aluminum w/ cast-in-place iron bore liners

cast aluminum w/ cast-in-place iron bore liners

Cylinder head material:

aluminum

aluminum

Valvetrain:

dual overhead camshafts, four valves per cylinder, continuously variable valve timing

valve-in-head; two valves per cylinder; roller lifters; Active Fuel Management (L99)

Ignition system:

electronic individual coil-on-plug; individual cylinder knock control and extended-life platinum-tipped spark plugs

high-energy distributorless ignition; solid state direct-fire ignition w/ coil near plug and integrated ignition

Fuel delivery:

direct high-pressure fuel injection

returnless, multi-port fuel injection

Compression ratio:

11.3:1

10.7:1

Horsepower
(hp / kW @ rpm):

300 / 224 @ 6400 rpm*

422 / 315 @ 5000 (LS3)*
400 / 299 @ 5000 (L99)*

Torque
(lb-ft / Nm @ rpm):

273 / 370 @ 5200 rpm*

408 / 553 @ 4500 (LS3)*
395 / 535 @ 4500 (L99)*

Recommended fuel:

regular unleaded

premium recommended

Maximum engine speed (rpm):

7000

6000 (L99)
6600 (LS3)

Emissions controls:

evaporative system, single close-coupled catalytic converter, equal-length exhaust, single underfloor catalytic converter, positive crankcase ventilation, intake and exhaust cam phasers, electronic throttle control

evaporative system, close-coupled catalytic converters, positive crankcase ventilation, electronic throttle control

Fuel economy (auto trans):

26 hwy (est)

23 hwy (est)

Hydra-Matic 6L50 six-speed automatic (LS, LT) w/ TAPshift

Hydra-Matic 6L80 six-speed automatic (SS) w/ TAPshift

Aisin Warner AY6 six-speed manual (LS, LT)

TR6060 six-speed manual (SS)

Gear ratios (:1):

First:

4.07

4.03

4.48

3.01

Second:

2.37

2.36

2.58

2.07

Third:

1.55

1.53

1.63

1.43

Fourth:

1.16

1.15

1.19

1.00

Fifth:

0.85

0.85

1.00

0.84

Sixth:

0.67

0.67

0.75

0.57

Reverse:

3.06

3.06

3.67

3.28

Final drive ratio:

3.27

3.27

3.27

3.45

Type:

four-wheel disc w/ ABS; ventilated front and rear rotors; single-piston front calipers and single-piston alloy rear calipers (LS, LT); four-piston fixed Brembo aluminum front and rear calipers (SS)

Rotor diameter, front (in / mm):

LS, LT: 12.64 / 321
SS: 14 / 355

Rotor diameter, rear (in / mm):

LS, LT: 12.4 / 315
SS: 14.4 / 365

Rotor thickness, front (in / mm):

LS, LT: 1.18 / 30
SS: 1.26 / 32

Rotor thickness, rear (in / mm):

LS, LT: 0.9 / 23
SS: 1.1 / 28